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Codonopsis clematidea (Bonnet bellflower)

Beginner
skill rating
1 hour care
per year
1m
Max height
0.6m
Max spread
2-5 years
To maturity

Plant details

Botanical name

Codonopsis clematidea

Other names

Bonnet bellflower

Genus

Codonopsis Codonopsis

Species

C. clematidea - C. clematidea is a mid-sized herbaceous plant that may be grown as a climber if trained to supports or allowed to scramble in a prostrate fashion. It has small, mid-sized, mid-green leaves and from early to mid-summer, bears pale blue, noddng, bell-shaped flowers with striking dark-purple markings inside.


Codonopsis clematidea is: Deciduous

Habit

Climbing

Flower

Purple, Pale-blue in Summer

Foliage

Green in Spring; Green in Summer; Green in Autumn

How to care

Watch out for

General care

Pruning

Can be trained up supports or other plants or allowed to scramble in a prostrate fashion. Cut back after growth has died down at the end of the season.

Propagation methods

Seed


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Where to grow

Codonopsis clematidea (Bonnet bellflower) will reach a height of 1m and a spread of 0.6m after 2-5 years.

Suggested uses

Beds and borders, City, Containers, Cottage/Informal, Low Maintenance, Rock, Wallside and trellises

Cultivation

Grow in light, fertile, well-drained, preferably acid soil in sun or partial shade. Needs consistent moisture in full sun. New growth is frost-tender so shelter from early morning sun. Resents root disturbance. Mulch in winter in cold areas.

Soil type

Chalky, Loamy, Sandy

Soil drainage

Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Partial Shade, Full Sun

Aspect

North, East, West

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

Companion plants

We do not currently have companion plants added for this plant.

Botanical name

Codonopsis clematidea

Other names

Bonnet bellflower

Genus

Codonopsis Codonopsis

Species

C. clematidea - C. clematidea is a mid-sized herbaceous plant that may be grown as a climber if trained to supports or allowed to scramble in a prostrate fashion. It has small, mid-sized, mid-green leaves and from early to mid-summer, bears pale blue, noddng, bell-shaped flowers with striking dark-purple markings inside.

Foliage

Deciduous

Habit

Climbing


Colour

Flower

Purple, Pale-blue in Summer

Foliage

Green in Spring; Green in Summer; Green in Autumn

General care

Pruning

Can be trained up supports or other plants or allowed to scramble in a prostrate fashion. Cut back after growth has died down at the end of the season.

Propagation methods

Seed


Monthly care advice


Where to grow

Codonopsis clematidea (Bonnet bellflower) will reach a height of 1m and a spread of 0.6m after 2-5 years.

Suggested uses

Beds and borders, City, Containers, Cottage/Informal, Low Maintenance, Rock, Wallside and trellises

Cultivation

Grow in light, fertile, well-drained, preferably acid soil in sun or partial shade. Needs consistent moisture in full sun. New growth is frost-tender so shelter from early morning sun. Resents root disturbance. Mulch in winter in cold areas.

Soil type

Chalky, Loamy, Sandy

Soil drainage

Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Partial Shade, Full Sun

Aspect

North, East, West

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

USDA zones

Zone 9, Zone 8, Zone 7, Zone 6, Zone 5

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This plant likes... Garden match
Soil types: Chalky, Loamy, Sandy Tell us...
Soil drainage: Well-drained Tell us...
Soil pH: Acid, Alkaline, Neutral Tell us...
Light: Partial Shade, Full Sun Tell us...
Aspect: North, East, West Tell us...
Exposure: Sheltered Tell us...
Hardiness: Hardy (H4) Tell us...

GARDENS WITH THIS PLANT

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Sarah & Peter
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David Scarle

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